// stylelint-disable declaration-no-important, selector-no-qualifying-type, property-no-vendor-prefix

// Reboot
//
// Normalization of HTML elements, manually forked from Normalize.css to remove
// styles targeting irrelevant browsers while applying new styles.
//
// Normalize is licensed MIT. https://github.com/necolas/normalize.css

// Document
//
// Change from `box-sizing: content-box` so that `width` is not affected by `padding` or `border`.

*,
*::before,
*::after {
    box-sizing: border-box;
}

// Root
//
// Ability to the value of the root font sizes, affecting the value of `rem`.
// null by default, thus nothing is generated.

:root {
    @if $font-size-root != null {
        @include font-size(var(--#{$prefix}root-font-size));
    }

    @if $enable-smooth-scroll {
        @media (prefers-reduced-motion: no-preference) {
            scroll-behavior: smooth;
        }
    }
}

// Body
//
// 1. Remove the margin in all browsers.
// 2. As a best practice, apply a default `background-color`.
// 3. Prevent adjustments of font size after orientation changes in iOS.
// 4. Change the default tap highlight to be completely transparent in iOS.

// scss-docs-start reboot-body-rules
body {
    margin: 0; // 1
    font-family: var(--#{$prefix}body-font-family);
    @include font-size(var(--#{$prefix}body-font-size));
    font-weight: var(--#{$prefix}body-font-weight);
    line-height: var(--#{$prefix}body-line-height);
    color: var(--#{$prefix}body-color);
    text-align: var(--#{$prefix}body-text-align);
    background-color: var(--#{$prefix}body-bg); // 2
    -webkit-text-size-adjust: 100%; // 3
    -webkit-tap-highlight-color: rgba($black, 0); // 4
}
// scss-docs-end reboot-body-rules

// Content grouping
//
// 1. Reset Firefox's gray color

hr {
    margin: $hr-margin-y 0;
    color: $hr-color; // 1
    border: 0;
    border-top: $hr-border-width solid $hr-border-color;
    opacity: $hr-opacity;
}

// Typography
//
// 1. Remove top margins from headings
//    By default, `<h1>`-`<h6>` all receive top and bottom margins. We nuke the top
//    margin for easier control within type scales as it avoids margin collapsing.

%heading {
    margin-top: 0; // 1
    margin-bottom: $headings-margin-bottom;
    font-family: $headings-font-family;
    font-style: $headings-font-style;
    font-weight: $headings-font-weight;
    line-height: $headings-line-height;
    color: $text-emphasis-var; //RDB Mod
}

h1 {
    @extend %heading;
    @include font-size($h1-font-size);
}

h2 {
    @extend %heading;
    @include font-size($h2-font-size);
}

h3 {
    @extend %heading;
    @include font-size($h3-font-size);
}

h4 {
    @extend %heading;
    @include font-size($h4-font-size);
}

h5 {
    @extend %heading;
    @include font-size($h5-font-size);
}

h6 {
    @extend %heading;
    @include font-size($h6-font-size);
}

// Reset margins on paragraphs
//
// Similarly, the top margin on `<p>`s get reset. However, we also reset the
// bottom margin to use `rem` units instead of `em`.

p {
    margin-top: 0;
    margin-bottom: $paragraph-margin-bottom;
}

// Abbreviations
//
// 1. Add the correct text decoration in Chrome, Edge, Opera, and Safari.
// 2. Add explicit cursor to indicate changed behavior.
// 3. Prevent the text-decoration to be skipped.

abbr[title] {
    text-decoration: underline dotted; // 1
    cursor: help; // 2
    text-decoration-skip-ink: none; // 3
}

// Address

address {
    margin-bottom: 1rem;
    font-style: normal;
    line-height: inherit;
}

// Lists

ol,
ul {
    padding-left: 2rem;
}

ol,
ul,
dl {
    margin-top: 0;
    margin-bottom: 1rem;
}

ol ol,
ul ul,
ol ul,
ul ol {
    margin-bottom: 0;
}

dt {
    font-weight: $dt-font-weight;
}

// 1. Undo browser default

dd {
    margin-bottom: 0.5rem;
    margin-left: 0; // 1
}

// Blockquote

blockquote {
    margin: 0 0 1rem;
}

// Strong
//
// Add the correct font weight in Chrome, Edge, and Safari

b,
strong {
    font-weight: $font-weight-bold;
}

// Small
//
// Add the correct font size in all browsers

small {
    @include font-size($small-font-size);
}

// Mark

mark {
    padding: $mark-padding;
    color: var(--#{$prefix}highlight-color);
    background-color: var(--#{$prefix}highlight-bg);
}

// Sub and Sup
//
// Prevent `sub` and `sup` elements from affecting the line height in
// all browsers.

sub,
sup {
    position: relative;
    @include font-size($sub-sup-font-size);
    line-height: 0;
    vertical-align: baseline;
}

sub {
    bottom: -0.25em;
}
sup {
    top: -0.5em;
}

// Links

a {
    color: var(--#{$prefix}link-color); //RDB mod
    text-decoration: $link-decoration;

    &:hover {
        --#{$prefix}link-color: var(--#{$prefix}link-hover-color); //RDB mod
        text-decoration: $link-hover-decoration;
    }
}

// And undo these styles for placeholder links/named anchors (without href).
// It would be more straightforward to just use a[href] in previous block, but that
// causes specificity issues in many other styles that are too complex to fix.
// See https://github.com/twbs/bootstrap/issues/19402

a:not([href]):not([class]) {
    &,
    &:hover {
        color: inherit;
        text-decoration: none;
    }
}

// Code

pre,
code,
kbd,
samp {
    font-family: $font-family-code;
    @include font-size(1em); // Correct the odd `em` font sizing in all browsers.
}

// 1. Remove browser default top margin
// 2. Reset browser default of `1em` to use `rem`s
// 3. Don't allow content to break outside

pre {
    display: block;
    margin-top: 0; // 1
    margin-bottom: 1rem; // 2
    overflow: auto; // 3
    @include font-size($code-font-size);
    color: $pre-color;

    // Account for some code outputs that place code tags in pre tags
    code {
        @include font-size(inherit);
        color: inherit;
        word-break: normal;
    }
}

code {
    @include font-size($code-font-size);
    color: var(--#{$prefix}code-color);
    word-wrap: break-word;

    // Streamline the style when inside anchors to avoid broken underline and more
    a > & {
        color: inherit;
    }
}

kbd {
    padding: $kbd-padding-y $kbd-padding-x;
    @include font-size($kbd-font-size);
    color: $kbd-color;
    background-color: $kbd-bg;
    @include border-radius($border-radius-sm);

    kbd {
        padding: 0;
        @include font-size(1em);
        font-weight: $nested-kbd-font-weight;
    }
}

// Figures
//
// Apply a consistent margin strategy (matches our type styles).

figure {
    margin: 0 0 1rem;
}

// Images and content

img,
svg {
    vertical-align: middle;
}

// Tables
//
// Prevent double borders

table {
    caption-side: bottom;
    border-collapse: collapse;
}

caption {
    padding-top: $table-cell-padding-y;
    padding-bottom: $table-cell-padding-y;
    color: $table-caption-color;
    text-align: left;
}

// 1. Removes font-weight bold by inheriting
// 2. Matches default `<td>` alignment by inheriting `text-align`.
// 3. Fix alignment for Safari

th {
    font-weight: $table-th-font-weight; // 1
    text-align: inherit; // 2
    text-align: -webkit-match-parent; // 3
}

thead,
tbody,
tfoot,
tr,
td,
th {
    border-color: inherit;
    border-style: solid;
    border-width: 0;
}

// Forms
//
// 1. Allow labels to use `margin` for spacing.

label {
    display: inline-block; // 1
}

// Remove the default `border-radius` that macOS Chrome adds.
// See https://github.com/twbs/bootstrap/issues/24093

button {
    // stylelint-disable-next-line property-disallowed-list
    border-radius: 0;
}

// Explicitly remove focus outline in Chromium when it shouldn't be
// visible (e.g. as result of mouse click or touch tap). It already
// should be doing this automatically, but seems to currently be
// confused and applies its very visible two-tone outline anyway.

button:focus:not(:focus-visible) {
    outline: 0;
}

// 1. Remove the margin in Firefox and Safari

input,
button,
select,
optgroup,
textarea {
    margin: 0; // 1
    font-family: inherit;
    @include font-size(inherit);
    line-height: inherit;
}

// Remove the inheritance of text transform in Firefox
button,
select {
    text-transform: none;
}
// Set the cursor for non-`<button>` buttons
//
// Details at https://github.com/twbs/bootstrap/pull/30562
[role="button"] {
    cursor: pointer;
}

select {
    // Remove the inheritance of word-wrap in Safari.
    // See https://github.com/twbs/bootstrap/issues/24990
    word-wrap: normal;

    // Undo the opacity change from Chrome
    &:disabled {
        opacity: 1;
    }
}

// Remove the dropdown arrow only from text type inputs built with datalists in Chrome.
// See https://stackoverflow.com/a/54997118

[list]:not([type="date"]):not([type="datetime-local"]):not([type="month"]):not([type="week"]):not(
        [type="time"]
    )::-webkit-calendar-picker-indicator {
    display: none !important;
}

// 1. Prevent a WebKit bug where (2) destroys native `audio` and `video`
//    controls in Android 4.
// 2. Correct the inability to style clickable types in iOS and Safari.
// 3. Opinionated: add "hand" cursor to non-disabled button elements.

button,
[type="button"], // 1
[type="reset"],
[type="submit"] {
    -webkit-appearance: button; // 2

    @if $enable-button-pointers {
        &:not(:disabled) {
            cursor: pointer; // 3
        }
    }
}

// Remove inner border and padding from Firefox, but don't restore the outline like Normalize.

::-moz-focus-inner {
    padding: 0;
    border-style: none;
}

// 1. Textareas should really only resize vertically so they don't break their (horizontal) containers.

textarea {
    resize: vertical; // 1
}

// 1. Browsers set a default `min-width: min-content;` on fieldsets,
//    unlike e.g. `<div>`s, which have `min-width: 0;` by default.
//    So we reset that to ensure fieldsets behave more like a standard block element.
//    See https://github.com/twbs/bootstrap/issues/12359
//    and https://html.spec.whatwg.org/multipage/#the-fieldset-and-legend-elements
// 2. Reset the default outline behavior of fieldsets so they don't affect page layout.

fieldset {
    min-width: 0; // 1
    padding: 0; // 2
    margin: 0; // 2
    border: 0; // 2
}

// 1. By using `float: left`, the legend will behave like a block element.
//    This way the border of a fieldset wraps around the legend if present.
// 2. Fix wrapping bug.
//    See https://github.com/twbs/bootstrap/issues/29712

legend {
    float: left; // 1
    width: 100%;
    padding: 0;
    margin-bottom: $legend-margin-bottom;
    font-weight: $legend-font-weight;
    line-height: inherit;
    & {
        @include font-size($legend-font-size);
    }

    + * {
        clear: left; // 2
    }
}

// Fix height of inputs with a type of datetime-local, date, month, week, or time
// See https://github.com/twbs/bootstrap/issues/18842

::-webkit-datetime-edit-fields-wrapper,
::-webkit-datetime-edit-text,
::-webkit-datetime-edit-minute,
::-webkit-datetime-edit-hour-field,
::-webkit-datetime-edit-day-field,
::-webkit-datetime-edit-month-field,
::-webkit-datetime-edit-year-field {
    padding: 0;
}

::-webkit-inner-spin-button {
    height: auto;
}

// 1. This overrides the extra rounded corners on search inputs in iOS so that our
//    `.form-control` class can properly style them. Note that this cannot simply
//    be added to `.form-control` as it's not specific enough. For details, see
//    https://github.com/twbs/bootstrap/issues/11586.
// 2. Correct the outline style in Safari.

[type="search"] {
    -webkit-appearance: textfield; // 1
    outline-offset: -2px; // 2
}

// 1. A few input types should stay LTR
// See https://rtlstyling.com/posts/rtl-styling#form-inputs
// 2. RTL only output
// See https://rtlcss.com/learn/usage-guide/control-directives/#raw

/* rtl:raw:
[type="tel"],
[type="url"],
[type="email"],
[type="number"] {
  direction: ltr;
}
*/

// Remove the inner padding in Chrome and Safari on macOS.

::-webkit-search-decoration {
    -webkit-appearance: none;
}

// Remove padding around color pickers in webkit browsers

::-webkit-color-swatch-wrapper {
    padding: 0;
}

// 1. Inherit font family and line height for file input buttons
// 2. Correct the inability to style clickable types in iOS and Safari.

::file-selector-button {
    font: inherit; // 1
    -webkit-appearance: button; // 2
}

// Correct element displays

output {
    display: inline-block;
}

// Remove border from iframe

iframe {
    border: 0;
}

// Summary
//
// 1. Add the correct display in all browsers

summary {
    display: list-item; // 1
    cursor: pointer;
}

// Progress
//
// Add the correct vertical alignment in Chrome, Firefox, and Opera.

progress {
    vertical-align: baseline;
}

// Hidden attribute
//
// Always hide an element with the `hidden` HTML attribute.

[hidden] {
    display: none !important;
}
